docs: def _get_ssh_config(config_path='~/.ssh/config'):
          """Extract the configuration located at ``config_path``.
  
          Returns:
              paramiko.SSHConfig: the configuration instance.
          """
          ssh_config = paramiko.SSHConfig()
          try:
              with open(os.path.realpath(os.path.expanduser(config_path))) as f:
                  ssh_config.parse(f)
          except IOError:
              pass
          return ssh_config